Easy Anti-Cheat is the industry-leading anti–cheat service, countering hacking and cheating in multiplayer PC games through the use of hybrid anti–cheat mechanisms.

PunkBuster is described as 'Is Anti-Cheat system for online multiplayer games (eg Call of Duty). It keeps the cheaters out, but due to many incompatibilities (for example with Steam overlay, x64 systems, Linux systems) it also keeps many legit players out' and is a Anti-Cheat tool in the gaming software category. There are four alternatives to PunkBuster for Mac, Windows, Linux and Web-based. The best PunkBuster alternative is Easy Anti-Cheat. It's not free, so if you're looking for a free alternative, you could try Valve Anti-Cheat. Other great apps like PunkBuster are BattlEye and SARD Anti-Cheat.
Easy Anti-Cheat is the industry-leading anti–cheat service, countering hacking and cheating in multiplayer PC games through the use of hybrid anti–cheat mechanisms.

BattlEye (BE) was founded by Bastian Suter in October 2004. Starting out as an external 3rd-party anti-cheat for Battlefield Vietnam, first versions were quickly released and it rapidly gained first acknowledgement.
Valve Anti-Cheat (VAC) is an automated system designed to detect cheats installed on users' computers. If a user connects to a VAC-Secured server from a computer with identifiable cheats installed, the VAC system will ban the user from playing that game on VAC-Secured...
SARD Anti-Cheat empowers game developers and publishers with advanced technologies to prevent hacking and cheating in their MMO games.
